MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 53cb0504056f2c5a8e51d76f4de0fbcfdfc40a86ead4853a3483f71e4d258467. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.
Database Entry
OskiStealer
Vendor detections: 8
| SHA256 hash: | 53cb0504056f2c5a8e51d76f4de0fbcfdfc40a86ead4853a3483f71e4d258467 |
|---|---|
| SHA3-384 hash: | eadb69020a764ce69d0f47077ee53891bccb5068bde53e5366421446ab0b29c4ce0a7b04abe54fb95b3dfa415757338c |
| SHA1 hash: | 6e146c29343df198f24451352d2f07959e306ab7 |
| MD5 hash: | d50542438984ef5eec811f6681aa7438 |
| humanhash: | maryland-zebra-black-stream |
| File name: | from-isoPO-052614.EXE.exe |
| Download: | download sample |
| Signature | OskiStealer |
| File size: | 925'184 bytes |
| First seen: | 2021-07-13 09:16:57 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'752 x AgentTesla, 19'658 x Formbook, 12'248 x SnakeKeylogger) |
| ssdeep | 12288:ZR3FLLvp+pZyFfW6fAqKE9DRtYEK/fRy8dkL8iEpxQEl4nh/CniXN5GnTOdU+CHQ:5/vp+pwVCXERRtYJ/5Xk4i2QEl4ncCj |
| Threatray | 1'720 similar samples on MalwareBazaar |
| TLSH | T1C2159D2C23BEA109F237FF74AF94F2859F66677A9229910D2DC4420B5821D81FE77931 |
| Reporter |  abuse_ch |
| Tags: | exe OskiStealer |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| http://kapsengineers.cf/6.jpg | https://threatfox.abuse.ch/ioc/159974/ |
| http://kapsengineers.cf/1.jpg | https://threatfox.abuse.ch/ioc/159975/ |
| http://kapsengineers.cf/2.jpg | https://threatfox.abuse.ch/ioc/159976/ |
| http://kapsengineers.cf/3.jpg | https://threatfox.abuse.ch/ioc/159977/ |
| http://kapsengineers.cf/4.jpg | https://threatfox.abuse.ch/ioc/159978/ |
| http://kapsengineers.cf/5.jpg | https://threatfox.abuse.ch/ioc/159979/ |
| http://kapsengineers.cf/7.jpg | https://threatfox.abuse.ch/ioc/159980/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
134
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
from-isoPO-052614.EXE.exe
Verdict:
Suspicious activity
Analysis date:
2021-07-13 09:19:16 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Result
Threat name:
Oski Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
92 / 100
Signature
Downloads files with wrong headers with respect to MIME Content-Type
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Machine Learning detection for sample
Posts data to a JPG file (protocol mismatch)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Yara detected Oski Stealer
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-07-13 07:44:29 UTC
AV detection:
24 of 28 (85.71%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Similar samples:
+ 1'710 additional samples on MalwareBazaar
Result
Malware family:
oski
Score:
10/10
Tags:
family:oski discovery infostealer spyware stealer
Behaviour
Checks processor information in registry
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Oski
Malware Config
C2 Extraction:
kapsengineers.cf
Unpacked files
SH256 hash:
5f5257e30cfc2caab058013ffc60f90fb8a5d780a14834e1371054290b7658e4
MD5 hash:
b0e14c3526d6623ae9b7b5f5e0efde76
SHA1 hash:
f7d127bff2dfb1100ebd55fdd12dfb7a2b382fdc
SH256 hash:
53cb0504056f2c5a8e51d76f4de0fbcfdfc40a86ead4853a3483f71e4d258467
MD5 hash:
d50542438984ef5eec811f6681aa7438
SHA1 hash:
6e146c29343df198f24451352d2f07959e306ab7
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
YARA Signatures
MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.